Abstract
In this manuscript, generating functions are constructed for the new special families of polynomials and numbers using the p-adic q-integral technique. Partial derivative equations, functional equations and other properties of these generating functions are given. With the help of these equations, many interesting and useful identities, relations, and formulas are derived. We also give p-adic q-integral representations of these numbers and polynomials. The results we have obtained for these special numbers and polynomials are closely related to well-known families of polynomials and numbers including the Bernoulli numbers, the Apostol-type Bernoulli numbers and polynomials and the Frobenius-Euler numbers, the Stirling numbers, and the Daehee numbers. We give some remarks and observations on the results of this paper.
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1 Introduction
It is well known that special numbers and polynomials related to the Bernoulli numbers and polynomials, Euler type numbers and polynomials, the Stirling numbers have many applications in mathematics and in other areas. Recently, there were many special numbers and polynomials having applications in not only mathematics, but also in physics, in computer science, in engineering and in the analysis of ambulatory blood pressure measurements and also biostatistics problems. Polynomials are used to model real phenomena in these areas (cf. [1–29]; see also the references cited therein).
The Apostol-Bernoulli polynomials \(\mathcal{B}_{n}(x;\lambda)\) are defined by
One has the following the Apostol-Bernoulli numbers:
(cf. [1–29]; see also the references cited therein).
Kim et al. [15] gave the following new type Apostol polynomials \(\mathfrak{B}_{n}(x;\lambda)\):
The Frobenius-Euler numbers \(H_{n}(u)\) are given by
where \(u\neq1\) (cf. [10], [15], Theorem 1, p.439, [21, 28]).
The λ-Stirling numbers \(S_{2}(n,k;\lambda)\) are defined by
where \(k\in\mathbb{N}_{0}= \{ 0,1,2,\ldots \} \) (cf. [17, 22, 27]).
Substituting \(\lambda=1\) into (1.3), one has the following classical Stirling numbers of the second kind:
(cf. [1–29]; see also the references cited therein).
The Daehee numbers of the first kind are defined by
(cf. [7]). The Daehee numbers are related to factorial numbers, this explicit relation is given by
(cf. [19], p.45, [7, 24, 25]).
We briefly summarize the main results of this manuscript as follows:
In Section 2, by using the p-adic q-integral and its integral equation, we construct generating functions for special numbers and polynomials. We give some properties of these numbers and polynomials. By using functional equations of these generating functions, we also give some formulas and relations for these numbers and polynomials.
In Section 3, we give partial differential equations for the generating functions. By using these equations, we derive some derivative formulas for these numbers and polynomials.
In Section 4, we give a conclusion of this paper.
2 Construction of generating functions by the p-adic q-integral
In this section, by using the p-adic integral on \(\mathbb{Z}_{p}\), we construct generating functions for a new family of numbers and polynomials which are related to the Apostol-type numbers and polynomials. We give relations between these numbers, the λ-Bernoulli numbers, the Stirling numbers and the Daehee numbers. We also give p-adic integral representation of these numbers. Firstly we give some standard notations for the Volkenborn integral. Let p be a fixed odd prime. Throughout this paper \(\mathbb{Z}_{p}\), \(\mathbb{Q}_{p}\) and \(\mathbb{C}_{p}\) denote the ring of p-adic integers, the field of p-adic rational numbers and the completion of the algebraic closure of \(\mathbb{Q}_{p}\), respectively. Let \(\mathbb{K} \) be a field with a complete valuation, \(\mathbb{K}\supseteq\mathbb {Q}_{p}\) and \(C^{1}(\mathbb{Z}_{p}\rightarrow \mathbb{K)}\) be a set of continuously differentiable functions. Let \(v_{p}\) be the normalized exponential valuation of \(\mathbb{C}_{p}\) with
It is well known that q is considered as an indeterminate. That is, if \(q\in\mathbb{C}\), then \(|q|<1\) and also if \(q\in\mathbb{C}_{p}\), then
On the other hand, if \(|x|_{p}\leq1\), then
Definition 1
The Volkenborn integral of the function \(f\in C^{1}(\mathbb{Z}_{p}\rightarrow\mathbb{K})\) is
where \(\mu_{1}\) denotes the Haar distribution defined by
Throughout this paper, p is an odd prime.
Kim [11] gave the q-Haar distribution \(\mu_{q} ( x ) =\mu_{q} ( x+p^{N}\mathbb{Z}_{p} ) \) and the p-adic q-integral \(I_{q}(f)\) as follows, respectively:
where \(q\in\mathbb{C}_{p}\) with \(|1-q|_{p}<1\) and
where \(f\in C^{1}(\mathbb{Z}_{p}\rightarrow\mathbb{K})\) and
The integral equation of (2.2) was derived by Kim [14] as follows:
where
In [20], p.70, exponential function is defined by
The above series converges in region E, which is a subset of field \(\mathbb{K}\) with \(\operatorname{char}(\mathbb{K})=0\). Let k be residue class field of \(\mathbb {K}\). If \(\operatorname{char}(k)=p\), then
and if \(\operatorname{char}(k)=0\), then
Substituting the following function:
into (2.3), we obtain
where \(a\neq1\) and
If \(t=1\) and \(q\rightarrow1\) into (2.4), we derive Exercise 55A-1 in [20], p.170, as follows:
where \(a\in\mathbb{C}_{p}^{+}\) and \(a\neq1\).
If \(a=e\) and \(q\rightarrow1\) into (2.4), we also derive Exercise 55A-2 in [20], p.170, as follows:
where \(t\in E\) with \(t\neq0\). The right hand side of the above equation gives us the generating function for the Bernoulli numbers \(B_{n}\).
By using (2.4), we construct the following generating function, which is related to the Apostol-type Bernoulli numbers:
By using (2.5), we give a recurrence relation for the Apostol-type Bernoulli numbers as follows:
If we equate the coefficients of \(\frac{t^{n}}{n!}\) on both sides of the above equation, then we get the following theorem.
Theorem 1
Let
and
If \(n\geq2\), we have
We are ready to give generating function for Apostol-type Bernoulli polynomials as follows:
By using (2.6), we obtain
By using the Cauchy product in the above equation, we obtain
If we equate the coefficients of \(\frac{t^{n}}{n!}\) on both sides of the above equation, then we get the following theorem.
Theorem 2
The following formula holds:
Substituting \(y=-1\) into (2.7), we get
The main motivation of the generating function \(F(t;a,q)\) is given as follows:
From the above functional equation, we get
Equating the coefficients of \(\frac{t^{n}}{n!}\) on both sides of the above equation, we get a relation between the Frobenius-Euler numbers and the numbers \(\mathfrak{s}_{n}(a;q)\) by the following theorem.
Theorem 3
The following formula holds:
By combining (2.4) and (2.5), we get
By using the above equation, we get a p-adic integral representation for the numbers \(\mathfrak{s}_{n}(a;q)\) as follows.
Theorem 4
The following identity holds:
Remark 1
Setting \(q\rightarrow1\) and \(a=e\) in (2.8), we arrive at the Witt formula for the Bernoulli numbers:
We also easily see that
(cf. [11, 13, 20]; see also the references cited therein).
Combining (2.4) and (2.5), we get
If we equate the coefficients of \(\frac{t^{n}}{n!}\) on both sides of the above equation, then we get the following theorem.
Theorem 5
Let \(n\in\mathbb{N}_{0}\). Then we have
The q-Daehee numbers are defined by means of the following p-adic q-integral representation:
(cf. [7, 9]). Substituting (2.12) into (2.11), we get a relation between the numbers \(\mathfrak{s}_{n}(a;q)\) and the numbers \(D_{m}(q)\) by the following theorem.
Theorem 6
The following formula holds:
Remark 2
Substituting \(q\rightarrow1\) into (2.11), we get
Remark 3
Substituting \(a=e\) into (2.13), we get
3 Partial differential equations for generating functions
In this section, we give partial differential equations for the generating functions.
We compute the derivative of equation (2.6) with respect to x to derive the following higher order partial differential equation:
where k is a nonnegative integer. By combining the above equation with (2.6) we get
After some calculation, comparing the coefficients of \(\frac {t^{n}}{n!}\) on both sides of the above equation, we arrive at the following theorem.
Theorem 7
We also compute the derivative of equation (2.5) with respect to t and q to derive the following partial differential equations, respectively:
and
where \(a\neq1\).
Theorem 8
Let n be a nonnegative integer. Then we have
Proof
Combining (1.1) and (2.5) with (3.1), we get
Using the Cauchy product into the above equation, after some elementary calculation, we obtain
If we equate the coefficients of \(\frac{t^{n}}{n!}\) on both sides of the above equation, then we get the desired result. □
Theorem 9
Let n be a positive integer and \(a\neq1\). Then we have
Proof
Combining (1.1) and (2.5) with (3.2), we get
Using the Cauchy product into the above equation, after some elementary calculation, we obtain
If we equate the coefficients of \(\frac{t^{n}}{n!}\) on both sides of the above equation, then we get the desired result. □
4 Conclusion
By applying the p-adic q-integral equation to continuously differentiable functions on ring of p-adic integers, in this manuscript we define generating functions for new family of special numbers and polynomials. Using these generating functions and their functional equations, we derive many new identities and relations for these new families of special numbers and polynomials. Special values of these numbers and polynomials are associated with the Apostol-type Bernoulli numbers and polynomials and the Frobenius-Euler numbers. Moreover, we give partial differential equations for these generating functions. By using these equations, we derive some identities and derivative formulas for these new numbers and polynomials. In addition, the results of this manuscript will shed light on many branches of mathematics, physics, engineering, and other sciences.
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Acknowledgements
The authors Y Simsek and A Yardimci were supported by the Scientific Research Project Administration of Akdeniz University. We would like to thank the reviewers for their valuable comments and some references, which improved the current paper.
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Kim, D., Ozden Ayna, H., Simsek, Y. et al. New families of special numbers and polynomials arising from applications of p-adic q-integrals. Adv Differ Equ 2017, 207 (2017). https://doi.org/10.1186/s13662-017-1273-4
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DOI: https://doi.org/10.1186/s13662-017-1273-4